Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Check Control Module Versions (function 01)
- Connect VAG 1551 scan tool and select address word 03 for "Brake electronics". See VAG 1551 SCAN TOOL, CONNECTING AND ENTERING ADDRESS WORD .
- Go to start position of program by pressing --> button:
Indicated on display
- Press buttons -0- and -1- for the function "Check Control Module Versions" and confirm entry with -Q- button.
- The control module version can only be altered by installing a new control module.
- Also refer to the parts catalog for the correct ABS control module (w/EDL) -J104- for the vehicle.
Indicated on display
The coding is only shown on vehicles with traction control system (ASR); coding control module. See CODE CONTROL MODULE (FUNCTION 07) .
The workshop code, WSC XXXXX, identifies the workshop which performed the last coding of the control module.
1) Control module index
2) System designation
3) Hardware and software status
- Press --> button.
Indicated on display
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.